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Recognised as Colour

#E56C03

  • #E56C03
  • Orange
  • Dark
  • Nearest: Chocolate

#E56C03 is a orange with RGB values 229, 108, 3 and HSL 28°, 97%, 45%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#E56C03#E56C03
HEX#E56C03
RGBrgb(229, 108, 3)
RGB (0–1)0.898, 0.4235, 0.0118
RGB percentages89.8%, 42.4%, 1.2%
HSLhsl(27.9, 97.4%, 45.5%)
HSV / HSBhsv(27.9, 98.7%, 89.8%)
CMYK0%, 52.8%, 98.7%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,035,395
CSS custom property--colour: #E56C03;

Brightness & contrast

Relative luminance0.2739WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.48:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.48:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#1A93FC

Colour vision & accessibility

Protanopia#907E00no red cones; affects about 1% of men; ΔE 48.3 from the original
Deuteranopia#AD9900no green cones; the most common form, about 1% of men; ΔE 48.4 from the original
Tritanopia#FC4F5Cno blue cones; rare, and affects men and women equally; ΔE 42.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.48:1WCAG large text: AAA

Named colours

Nearest named CSS colourChocolate (#D2691E)ΔE 12.13, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#037CE5
Analogous#E5030B, #E5DD03
Triadic#03E56C, #6C03E5
Split complementary#03E5DD, #030BE5
Tetradic#0BE503, #037CE5, #DD03E5

Tints, shades & saturation

Lighter +40%#FED7B6
Lighter +30%#FDBC84
Lighter +20%#FDA151
Lighter +10%#FC861F
Darker −10%#B35402
Darker −20%#803D02
Darker −30%#4E2501
Darker −40%#1C0D00
More saturated +25%#E86C00
Less saturated −25%#C86E20

Channel breakdown

R229
G108
B3
Red229 (89.8%)
Green108 (42.4%)
Blue3 (1.2%)
Hue27.88°
Saturation (HSL)97.41%
Lightness45.49%
Dominant channelRed
Hex per channelR E5 · G 6C · B 03

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Every value on this page was computed from “e56c03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.